Working now
What already works.
- Page Size and Truncation Risk is relatively strong at 100/100.
- URL Stability and Redirects is relatively strong at 100/100.
- Authentication and Access is relatively strong at 100/100.
developer docs benchmark
Gamma benchmark.
Report for
Gammadevelopers.gamma.app
Gamma scored 91/100 on Fern's public Agent Score report across 22 published checks. This developer docs benchmark shows where agents can use these docs cleanly and where the biggest points of friction still are.
Benchmark score
91Grade A
This report passes 16 of 22 checks, with 1 warnings, 2 failed checks, and 3 skipped checks still shaping the next score lift.
- Checks passed
- 16/22
- Warnings
- 1
- Failed checks
- 2
Key takeaways
What stands out in this benchmark.
Start with what already works, then move to the fixes most likely to lift the score.
Improve next
What to improve next.
- LLMS TXT Directive (HTML) in Content Discoverability.
- Markdown Content Parity in Observability and Content Health.
- LLMS TXT Valid in Content Discoverability.
Check results
Full score breakdown
Open each category to review the checks behind the score and see exactly where agents still hit friction.
Page Size and Truncation Risk4 passedCan an agent read the page without losing important context?
Page Size and Truncation Risk
4 passed
Can an agent read the page without losing important context?
This area is already one of the stronger parts of the report.
Rendering Strategy
All 10 sampled pages contain server-rendered content
Page Size Markdown
All 10 pages under 50K chars (median 7K, max 25K)
Page Size Html
All 10 sampled pages convert under 50K chars (median 7K, 0% boilerplate)
Content Start Position
Content starts within first 10% on all 10 sampled pages (median 0%)
Observability and Content Health2 passed1 failedCan an agent tell whether the docs are fresh and trustworthy?
Observability and Content Health
2 passed1 failed
Can an agent tell whether the docs are fresh and trustworthy?
1 failed check still shape this area.
LLMS TXT Freshness
llms.txt covers 96% of 24 sitemap doc pages; 1 llms.txt links not in sitemap (may indicate stale links or incomplete sitemap)
Markdown Content Parity
4 of 10 pages have substantive content differences between markdown and HTML (avg 17% missing)
Cache Header Hygiene
All 12 endpoints have appropriate cache headers
URL Stability and Redirects2 passedCan an agent trust that URLs will stay predictable?
URL Stability and Redirects
2 passed
Can an agent trust that URLs will stay predictable?
This area is already one of the stronger parts of the report.
Http Status Codes
All 10 sampled pages return proper error codes for bad URLs
Redirect Behavior
No redirects detected across 10 sampled pages
Authentication and Access1 passed1 skippedCan an agent access the docs without getting blocked?
Authentication and Access
1 passed1 skipped
Can an agent access the docs without getting blocked?
1 check were skipped in this report.
Auth Gate Detection
All 10 sampled pages are publicly accessible
Auth Alternative Access
All docs pages are publicly accessible; no alternative access paths needed
Content Structure3 passedCan an agent understand how the page is organized?
Content Structure
3 passed
Can an agent understand how the page is organized?
This area is already one of the stronger parts of the report.
Tabbed Content Serialization
No tabbed content detected across 10 sampled pages
Section Header Quality
No tabbed content found; header quality check not applicable
Markdown Code Fence Validity
All 49 code fences properly closed across 12 pages
Markdown Availability2 passedCan an agent fetch a clean text version of the docs?
Markdown Availability
2 passed
Can an agent fetch a clean text version of the docs?
This area is already one of the stronger parts of the report.
Markdown Url Support
10/10 sampled pages support .md URLs (100%)
Content Negotiation
10/10 sampled pages support content negotiation (100%)
Content Discoverability2 passed1 warnings1 failed2 skippedCan an agent find the right starting point?
Content Discoverability
2 passed1 warnings1 failed2 skipped
Can an agent find the right starting point?
1 failed check still shape this area.
LLMS TXT Exists
llms.txt found at 2 location(s)
LLMS TXT Valid
llms.txt contains parseable links but doesn't fully follow the proposed structure: https://developers.gamma.app/llms.txt: No blockquote summary found; https://developers.gamma.app/docs/llms.txt: No blockquote summary found
LLMS TXT Size
llms.txt is 3,354 characters (under 50,000 threshold)
LLMS TXT Links Resolve
No HTTP(S) links found in llms.txt
LLMS TXT Links Markdown
No HTTP(S) links found in llms.txt
LLMS TXT Directive (HTML)
No llms.txt directive found in any of 10 sampled pages
Next steps
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Why llms.txt matters
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